* {
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
}

.wrap {
    width: 800px;
    margin: 50px auto;
    position: relative;
}

.title span {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid #ccc;
}

.title span.active {
    color: red;
}

.con .con-one {
    display: none;
    border: 1px solid #ccc;
    margin-top: 20px;
    padding: 10px;
    height: 600px;
}

.con .con-one.active {
    display: block;
}

button {
    padding: 6px 12px;
    outline: none;
    border: 0;
}

.add {
    background: tomato;
    color: #fff;
}

.del-all {
    background: tomato;
    color: #fff;
}

.num-all {
    float: right;
    font-size: 22px;
}

.num-all span {
    color: red;
}

table {
    margin: 20px 0;
    width: 100%;
    border-collapse: collapse;
    text-align: center;
}

table td,
table th {
    border: 1px solid #ccc;
}
table tr {
    line-height: 36px;
    height: 36px;
}

.del {
    background: skyblue;
}

.box {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
}
.page {
    display: inline-block;
}
.page li {
    display: inline-block;
    border: 1px solid #ccc;
    padding: 6px 12px;
}

.page li.active {
    background: red;
    color: #fff;
}

h2 {
    margin-top: 10px;
}

.mask {
    left: 0;
    top: 0;
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}
.content {
    position: fixed;
    left: 50%;
    top: 50%;
    padding: 20px;
    background: #fff;
    border-radius: 25px;
    transform: translate(-50%, -50%);
}

.content input {
    border: 1px solid #ccc;
    width:220px;
    height: 36px;
}

.content p {
    margin: 10px;
}

.content select {
    border: 1px solid #ccc;
    width:220px;
    height: 36px;
}
